Haier D Series Service Manual page 30

10.3 Error Codes and Description indoor display
Indoor
displaying panel
code indication
Indoor and
Outdoor
Indoor
Malfunction
Outdoor
Malfunction
Code indication
Outdoor
(LED1 flash
times)
E7 15
E1 --
E2 --
E4 --
E14 --
F12 1
F1 2
F22 3
F3 4
F20 5
F19 6
F27 7
F4 8
F8 9
F21 10
F7 11
F6 12
F25 13
F30 14
F13 16
F14 17
F11 18
F28 19
F2 24
F23 25
fault description
Communication fault between indoor and
outdoor units
Room temperature sensor failure
Heat-exchange sensor failure
Indoor EEPROM error
Indoor fan motor malfunction
Outdoor EEPROM error
The protection of IPM
Overcurrent protection of AC electricity for
the outdoor model
Communication fault between the IPM and
outdoor PCB
Compressor overload
Power voltage is too high or low
Compressor blocked
Overheat protection for Discharge temperature
Outdoor DC fan motor fault
Defrost temperature sensor failure
Suction temperature sensor failure
Ambient temperature sensor failure
Discharge temperature sensor failure
Suction temp of compressor is too high
Less gas charge
4-way-valve fault
deviate from the normal for the compressor
Loop of the station detect error
Overcurrent of the compressor
Overcurrent protection for single-phase of the
compressor
28
Connector Wiring Diagram
Domestic Air Conditioner